Improvement in lamps



C. GOODWIN.

Lamp Burner.

Patented April 26,1864.

III

UNITED STATES PATENT OFFICE.

CALEB GOODWIN, OF CHICAGO, ILLINOIS, ASSIGNOR TO HIMSELF AND J. O. W. BAILEY, OF SAME PLACE.

IMPROVEMENT IN LAMPS.

Specification forming part of Letters Patent No. 42,534, dated April 26, 1864.

To all whom it may concern:

Be it known that I, CALEB GOODWIN, of Chicago, in the county of Cook and State of Illinois, have invented a new and useful Improvement in Lamps for Burning Oil and I do hereby declare that the following is a full, clear, and exact description of the same, refei'euce being had to the accompanying drawin gs and letters of reference marked thereon.

The nature of my invention consists in so constructing a kerosene or other oil lamp that it will give a brilliant, steady light without the use of a chimney, and at the same time can be carried about the house without danger of the flame being extinguished.

To enable others skilled in the art to manu facture and use my invention, I will proceed to describe it with particularity. v

Figure 1 in the annexed drawings is a side view of my improved lamp when in operation. Fig. 2 is a vertical sectional view of the burner, showing one side of the wick-tube. Fig. 3 is a view of the cone, showing its shape and its relation, at the top, to the flame. Fig. 4 is a top view of the burner and wick-tube with the cone removed.

The wick-tube B is corrugated, as shown in the drawings, which I consider the cheapest mode of construction, with openings a into the passages thus formed, or it may be fluted or constructed in any way to admit of air-passages extending from the lower part of the wick-tube to its top, and discharging the air immediately at the base of the flame. The cone A has a piece cut from each side at its base, as shown by the dotted line 0, and its top comes in close proximity with the wick and has notches cut at either edge of the wick. Its two sides extend up and curve slightly over the top of the wick-tube, so as to concentrate all currents of air coming from beneath directly to the flame, as is shown in Fig. 3. The base of the burner is made open, as shown in Figs. 3 and 4, so as to admit the air freely.

Any ordinary kerosene-lamp can be readily converted into my improved lamp by cutting out the base of the burner, as shown in Fig. 4, and attaching my wick-tube and cone, constructed substantially as described.

Having described the construct on of my improved lamp, I will now describe its opera tion: By lighting the lamp the air becomes heated at the top of the wick-tube, which causes the air to rush up through the passages in the wick-tube, as indicated by the arrows, to immediate contact with the base of the flame, and it also causes the air to rush up in the cone outside of the wick-tube, which, by the peculiar shape of the cone, is carried in direct contact with the flame; and thus by the combination of these two currents of air a complete combustion is supported, producing an even, brilliant light. The lamp can be carried about the house without danger of the light being extinguished, because in whatever direction you move it the air rushes freely in at the base of the burner and cone on the side toward the line of motion and up to the flame, as when the lamp is at rest.

It is readily seen, then, that I have iuven ted not only a carbon-oil lamp that will burn without a chimney when the lamp is at rest, but also one that can be carried about the house without the flame being extinguished.

Having thus described the construction and operation of my improved lamp, what I claim as my invention, and desire to secure by Letters Patent, is-

l. The wick-tube 13, either corrugated or otherwise, so constructed as to admit of sundry air-passages extending from its lower part to the top, and discharging the air immediately at the base of the flame, substantially as and for the purposes set forth.

2. The combination and arrangement of the wick-tube B, the open burner O, and the cone A, when constructed and operating substantially as and for the purpose herein described.

CALEB GOODWIN.

Witnesses:

LEwIs L. GOBURN, ABRAHAM LEZER. 

